diff --git a/core/Db/Adapter.php b/core/Db/Adapter.php
index 26c796cac991aa3186449a0c82f62b2ea64cfb05..88c4ba2df2fe8d9870a94e66ee5e48617ff73f4c 100644
--- a/core/Db/Adapter.php
+++ b/core/Db/Adapter.php
@@ -128,66 +128,3 @@ class Piwik_Db_Adapter
 		return $adapters;
 	}
 }
-
-/**
- * @package Piwik
- * @subpackage Piwik_Db
- */
-interface Piwik_Db_Adapter_Interface
-{
-	/**
-	 * Reset the configuration variables in this adapter.
-	 */
-	public function resetConfig();
-
-	/**
-	 * Return default port.
-	 *
-	 * @return int
-	 */
-	public static function getDefaultPort();
-
-	/**
-	 * Check database server version
-	 *
-	 * @throws Exception if database version is less than required version
-	 */
-	public function checkServerVersion();
-
-	/**
-	 * Returns true if this adapter's required extensions are enabled
-	 *
-	 * @return bool
-	 */
-	public static function isEnabled();
-
-	/**
-	 * Returns true if this adapter supports blobs as fields
-	 *
-	 * @return bool
-	 */
-	public function hasBlobDataType();
-
-	/**
-	 * Returns true if this adapter supports bulk loading
-	 *
-	 * @return bool
-	 */
-	public function hasBulkLoader();
-
-	/**
-	 * Test error number
-	 *
-	 * @param Exception $e
-	 * @param string $errno
-	 * @return bool
-	 */
-	public function isErrNo($e, $errno);
-
-	/**
-	 * Is the connection character set equal to utf8?
-	 *
-	 * @return bool
-	 */
-	public function isConnectionUTF8();
-}
diff --git a/core/Db/Adapter/Interface.php b/core/Db/Adapter/Interface.php
new file mode 100644
index 0000000000000000000000000000000000000000..8bde7c024c712801e6df62e12fa778bb0bbeb0b4
--- /dev/null
+++ b/core/Db/Adapter/Interface.php
@@ -0,0 +1,74 @@
+<?php
+/**
+ * Piwik - Open source web analytics
+ *
+ * @link http://piwik.org
+ * @license http://www.gnu.org/licenses/gpl-3.0.html GPL v3 or later
+ * @version $Id: Adapter.php 6109 2012-03-24 11:49:29Z vipsoft $
+ *
+ * @category Piwik
+ * @package Piwik
+ */
+
+/**
+ * @package Piwik
+ * @subpackage Piwik_Db
+ */
+interface Piwik_Db_Adapter_Interface
+{
+	/**
+	 * Reset the configuration variables in this adapter.
+	 */
+	public function resetConfig();
+
+	/**
+	 * Return default port.
+	 *
+	 * @return int
+	 */
+	public static function getDefaultPort();
+
+	/**
+	 * Check database server version
+	 *
+	 * @throws Exception if database version is less than required version
+	 */
+	public function checkServerVersion();
+
+	/**
+	 * Returns true if this adapter's required extensions are enabled
+	 *
+	 * @return bool
+	 */
+	public static function isEnabled();
+
+	/**
+	 * Returns true if this adapter supports blobs as fields
+	 *
+	 * @return bool
+	 */
+	public function hasBlobDataType();
+
+	/**
+	 * Returns true if this adapter supports bulk loading
+	 *
+	 * @return bool
+	 */
+	public function hasBulkLoader();
+
+	/**
+	 * Test error number
+	 *
+	 * @param Exception $e
+	 * @param string $errno
+	 * @return bool
+	 */
+	public function isErrNo($e, $errno);
+
+	/**
+	 * Is the connection character set equal to utf8?
+	 *
+	 * @return bool
+	 */
+	public function isConnectionUTF8();
+}
diff --git a/core/Plugin.php b/core/Plugin.php
index d2de582cdac77a5a5e09ad8f3df378cd8355ee90..9770523f73eea635fe9a644d1f637875b738fd32 100644
--- a/core/Plugin.php
+++ b/core/Plugin.php
@@ -30,13 +30,13 @@ abstract class Piwik_Plugin
 	 * - 'translationAvailable' => bool // is there a translation file in plugins/your-plugin/lang/* ?
 	 * - 'TrackerPlugin' => bool        // should we load this plugin during the stats logging process?
 	 */
-	abstract function getInformation();
+	abstract public function getInformation();
 
 	/**
 	 * Returns the list of hooks registered with the methods names
 	 * @return array
 	 */
-	function getListHooksRegistered()
+	public function getListHooksRegistered()
 	{
 		return array();
 	}
diff --git a/plugins/Actions/Actions.php b/plugins/Actions/Actions.php
index 9e9f27951509316f89212606e34a58a53f1ed621..7f132494d70f671415398688f6ed49b8a3bb2c6b 100644
--- a/plugins/Actions/Actions.php
+++ b/plugins/Actions/Actions.php
@@ -39,7 +39,7 @@ class Piwik_Actions extends Piwik_Plugin
 		return $info;
 	}
 	
-	function getListHooksRegistered()
+	public function getListHooksRegistered()
 	{
 		$hooks = array(
 			'ArchiveProcessing_Day.compute' => 'archiveDay',
@@ -568,7 +568,17 @@ class Piwik_Actions extends Piwik_Plugin
 		// Record the final datasets
 		$this->archiveDayRecordInDatabase($archiveProcessing);
 	}
-	
+
+	/**
+	 * @param $select
+	 * @param $from
+	 * @param $where
+	 * @param $orderBy
+	 * @param $groupBy
+	 * @param $sprintfField
+	 * @param Piwik_ArchiveProcessing $archiveProcessing
+	 * @return int
+	 */
 	protected function archiveDayQueryProcess($select, $from, $where, $orderBy, $groupBy,
 			$sprintfField, $archiveProcessing)
 	{
@@ -760,7 +770,12 @@ class Piwik_Actions extends Piwik_Plugin
 	const CACHE_PARSED_INDEX_NAME = 0;
 	const CACHE_PARSED_INDEX_TYPE = 1;
 	static $cacheParsedAction = array();
-	
+
+	/**
+	 * @param Zend_Db_Statement|PDOStatement $query
+	 * @param string|bool $fieldQueried
+	 * @return int
+	 */
 	protected function updateActionsTableWithRowQuery($query, $fieldQueried = false)
 	{
 		$rowsProcessed = 0;